@charset "utf-8";
* html{
     background-image:url(about:blank);
     background-attachment:fixed;
 } 
@mixin fixed_top_left($top,$width,$margin){
   position: fixed; 
   z-index:1000;
   top: $top+px;
   margin-left: -($width+$margin)+px;
   _position:absolute;
   _top: expression(documentElement.scrollTop+#{$top});
}
@mixin fixed_bottom_right($bottom,$container_width,$margin){
   position: fixed; 
   z-index:1000;
   bottom: $bottom+px;
   margin-left: ($container_width+$margin)+px;
   _position:absolute;
   _top:expression(documentElement.scrollTop+documentElement.clientHeight-this.offsetHeight - #{$bottom});   
}
 